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Preprints of the Keldysh Institute of Applied Mathematics, 2007, 005, 22 pp. (Mi ipmp460)  

Investigation of the dynamics of non-equilibrium vaporization into vacuum

S. G. Malakhov
Abstract: The problem of solid body vaporization into vacuum is considered. Evolution of distribution function is governed by kinetic equation, whose right hand-side is equal to the Bhatnagar-Gross-Krook integral of collisions and the real integral of collisions of Boltzmann. Inadequacy to real physical process of collisions is numerically demonstrated, which occurs due to the fact that frequency of collisions does not depend on the velocities of collided particles. Due to the use of the Boltzmann equation the structure of the surface layer is investigated for which three zones for macroparameters are numerically established, these are: the zone of intense collisions, where local thermodynamic equilibrium is setting in, the transitional area and the zone where the flow is collisionless.
Document Type: Preprint
Language: Russian
Citation: S. G. Malakhov, “Investigation of the dynamics of non-equilibrium vaporization into vacuum”, Keldysh Institute preprints, 2007, 005, 22 pp.
Citation in format AMSBIB
\Bibitem{Mal07}
\by S.~G.~Malakhov
\paper Investigation of the dynamics of non-equilibrium vaporization into vacuum
\jour Keldysh Institute preprints
\yr 2007
\papernumber 005
\totalpages 22
\mathnet{http://mi.mathnet.ru/ipmp460}
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    Препринты Института прикладной математики им. М. В. Келдыша РАН
     
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